Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36
Chrome 67
Windows
Desktop
6 years ago
Test name Executions per second
for-in function returning array of keys. 9815.6 Ops/sec
Object.keys() 4061.9 Ops/sec
Script Preparation code:
Tests:
  • for-in function returning array of keys.

  • Object.keys()